v3.6.0.2
Schedule of Valuation and Qualifying Accounts Disclosure
 12 Months Ended
Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure
CALPINE CORPORATION AND SUBSIDIARIES
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

Description
Balance at
Beginning
of Year
 
Charged to
Expense
 
Charged to Other Accounts
 
Deductions
 
Balance at
End of Year
 
(in millions)
Year Ended December 31, 2016
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
2

 
$
4

 
$
—

 
$
—

 
$
6

Deferred tax asset valuation allowance
1,637

 
(56
)
 
—

 
—

 
1,581

Year Ended December 31, 2015
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
4

 
$
(2
)
 
$
—

 
$
—

 
$
2

Deferred tax asset valuation allowance
1,836

 
(199
)
 
—

 
—

 
1,637

Year Ended December 31, 2014
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
5

 
$
(1
)
 
$
—

 
$
—

 
$
4

Deferred tax asset valuation allowance
2,246

 
(410
)
 
—

 
—

 
1,836